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Re: 10w30 full synthetic or 10w40 non synthetic?


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Posted by jacks on February 01, 2015 at 12:35:18 from (70.208.131.221):

In Reply to: Re: 10w30 full synthetic or 10w40 non synthetic? posted by Geo-TH,In on February 01, 2015 at 07:09:09:

Synthetic oil will seep past seals more than conventional oil. This could turn into an expensive problem on your terramite if it starts to cause leakage in your hydraulic cylinders. It could be a worse problem in a hydraulic system running 1500-2000 psi compared to running it in an engine at 40/psi. I have a Case 646 loader, similar machine to a Terramite. It has an oil cooler and fan in front of the engine. It calls for motor oil in the hydraulic system too, but it was built before synthetic oil became commonly available. I think you should stick with conventional oil in the factory recommended viscosity. If your machine has an oil cooler, it is not working properly. Some oil coolers have a filter on the inlet, the filters can become clogged and cause overheating. If you don't have an oil cooler installed, you can probably find a good useable one at a junkyard or eBay. A fan is necessary too. Hope you can get this problem solved.


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